8513864017 has 4 divisors (see below), whose sum is σ = 8514100836. Its totient is φ = 8513627200.

The previous prime is 8513863987. The next prime is 8513864081. The reversal of 8513864017 is 7104683158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3580346896 + 4933517121 = 59836^2 + 70239^2 .

It is a cyclic number.

It is not a de Polignac number, because 8513864017 - 2¹⁹ = 8513339729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8513864617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52108 + ... + 140509.

It is an arithmetic number, because the mean of its divisors is an integer number (2128525209).

Almost surely, 2^8513864017 is an apocalyptic number.

It is an amenable number.

8513864017 is a deficient number, since it is larger than the sum of its proper divisors (236819).

8513864017 is a wasteful number, since it uses less digits than its factorization.

8513864017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236818.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 8513864017 is about 92270.6021276549. The cubic root of 8513864017 is about 2041.9365195340.

The spelling of 8513864017 in words is "eight billion, five hundred thirteen million, eight hundred sixty-four thousand, seventeen".